Class 9 Chemistry MCQs - Chapter 5

Physical States of Matter Multiple Choice Questions (MCQs) PDF Download - 1

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The Multiple Choice Question (MCQ Quiz): Process in which the solid changes directly into vapors without changing in the liquid state is called; "Physical States of Matter" App Download (Free) with answers evaporation, condensation, boiling and sublimation to learn online schools courses. Solve solid state and properties quiz questions, download Google eBook (Free Sample) for taking online classes.

Physical States of Matter Questions & Answers PDF Download: MCQ Quiz 1

MCQ 1: The process in which the solid changes directly into vapors without changing in the liquid state is called

condensation
evaporation
boiling
sublimation

MCQ 2: Conversion of a liquid to a gas at all temperatures is called

sublimation
evaporation
condensation
boiling

MCQ 3: The temperature at which the solid starts melting is called

boiling point
freezing point
melting point
sublimating point

MCQ 4: At constant pressure the average kinetic energy of gas molecules increases 2 times if

temperature is increased by 2 times
temperature is halved
no change in temperature
temperature remains constant

MCQ 5: The average kinetic energy of gas molecules is directly proportional to

T²
√T
T
2T

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